🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.43 AU - 0.61 AU

Year: 140 Days

Day: 15.9 Hours

Environment

Temp: 152 °C

Axial Tilt: 37.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.47 AU - 0.75 AU

Year: 178 Days

Day: 36.3 Hours

Environment

Temp: 183 °C

Axial Tilt: 32.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 32,361,771 km

• M1: 194,028 km (0.071 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.02

Radius: 1.32

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.31 AU - 1.79 AU

Year: 719 Days

Day: 41.8 Hours

Environment

Temp: -46 °C

Axial Tilt: 31.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.39

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.07 AU - 2.37 AU

Year: 1233 Days

Day: 18.9 Hours

Environment

Temp: -86 °C

Axial Tilt: 41.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.32 AU - 2.88 AU

Year: 1563 Days

Day: 33.7 Hours

Environment

Temp: -106 °C

Axial Tilt: 34.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.73 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.9

Radius: 10.3

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 5.88 AU - 7.84 AU

Year: 6698 Days

Day: 9.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 32,361,771 km

• M1: 128,205 km (0.112 R)
• M2: 914,193 km (0.097 R)
• M3: 1,350,869 km (0.045 R)
• M4: 1,787,395 km (0.089 R)
• M5: 2,206,569 km (0.105 R)
• M6: 3,085,007 km (0.113 R)
• M7: 4,157,325 km (0.117 R)
• M8: 4,608,362 km (0.074 R)
• M9: 6,482,525 km (0.075 R)
• M10: 7,444,588 km (0.12 R)
• M11: 8,188,090 km (0.104 R)
• M12: 9,103,330 km (0.083 R)
• M13: 10,041,458 km (0.104 R)
• M14: 12,059,234 km (0.078 R)
• M15: 12,411,687 km (0.069 R)
• M16: 12,874,842 km (0.112 R)
• M17: 13,456,478 km (0.102 R)
• M18: 14,333,870 km (0.081 R)
• M19: 15,840,171 km (0.062 R)
• M20: 17,321,937 km (0.12 R)
• M21: 19,507,413 km (0.1 R)
• M22: 20,133,929 km (0.112 R)
• M23: 20,487,877 km (0.03 R)
• M24: 21,648,158 km (0.098 R)
• M25: 22,546,793 km (0.079 R)
• M26: 24,659,414 km (0.113 R)
• M27: 27,244,166 km (0.115 R)
• M28: 28,027,161 km (0.114 R)
• M29: 30,280,853 km (0.092 R)
• M30: 31,976,545 km (0.109 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 349 - 16,204 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit